CN101788072B - Protective valve for thermocouple type flameout gas stove - Google Patents
Protective valve for thermocouple type flameout gas stove Download PDFInfo
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- CN101788072B CN101788072B CN2010101274157A CN201010127415A CN101788072B CN 101788072 B CN101788072 B CN 101788072B CN 2010101274157 A CN2010101274157 A CN 2010101274157A CN 201010127415 A CN201010127415 A CN 201010127415A CN 101788072 B CN101788072 B CN 101788072B
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- valve
- buffer cell
- barrier film
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- gas stove
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Abstract
The invention discloses a protective valve for a thermocouple type flameout gas stove, which comprises a transmission component, an electromagnetic component and a servo component connected with the transmission component and the electromagnetic component, wherein a time-delay structure, a diaphragm, a return spring and a buffering chamber are arranged in the servo component; the termination of the starting state of the electromagnetic component is controlled by the return spring in the buffering chamber; the return spring is arranged on an ejector pin of a solenoid valve; the diaphragm is arranged in the buffering chamber; one side of the diaphragm is connected with the electromagnetic component, and the opposite side of the diaphragm is connected with the transmission component; one end of the time-delay structure is communicated with the buffering chamber; the time-delay structure is connected with the buffering chamber to form a pressure transfer device; the pressure transfer device is connected with the transmission component and the electromagnetic component through the diaphragm; the transmission component starts the electromagnetic component and the servo component through the transmission of the diaphragm; and the servo component controls the electromagnetic component to maintain the starting state for a long period of time until the electromagnetic component generates potential difference capable of enabling the solenoid valve to be normal. The protective valve has the characteristics of solving the problems of energy waste and environmental pollution which are caused by electronic auxiliary ignition equipment of cells, along with quick operation, no need of artificial pressing for a long time, low cost and stable quality.
Description
Technical field
The present invention relates to the blowout protection valve.Especially a kind of blowout protection valve that is used for the quick igniting of gas range.
Background technique
The blowout protection valve is applied in the gas range at present, but the thermoelectrical potential that thermocouple produces is very little, and reaction velocity is slow, and existing blowout protection valve chamber is pressed rotation with the combustion gas adjustable lever, by positive drive mechanism the unicoil solenoid valve is backed down.And the reaction velocity of thermocouple is slow, uninterruptedly pin several seconds continuously, just can reach the voltage that solenoid valve can be kept, and has arbitrarily to get loose midway, and solenoid valve is not just opened, loss of ignition.
Can also work for the solenoid valve of realizing loosing one's grip immediately, adopt the dual coil electromagnetic valve, on solenoid valve, establish many one group of secondary coil, by battery and electronic controller, make solenoid valve keep certain hour, rotate up to the thermocouple drive link, promote the solenoid valve push rod, and start the dual coil electromagnetic valve.After the dual coil electromagnetic valve starts, flame ignition, thermocouple produces thermoelectrical potential, acts on main coil, and the thermoelectrical potential response speed is slow, can not reach dual coil electromagnetic valve proper functioning potential difference moment.When starting the dual coil electromagnetic valve, electronic controller is connected power supply, and the secondary coil of dual coil electromagnetic valve is applied voltage.The pressure of electronic controller inner setting applies voltage time and is about 6-8 second, the pressure of setting applies in the voltage time, keep the starting state of dual coil electromagnetic valve by secondary coil, after the pressure of setting applies voltage time, the electronic controller deenergization, secondary coil quits work, and thermocouple has produced sufficiently high thermoelectrical potential, keeps the proper functioning of dual coil electromagnetic valve.
Summary of the invention
For overcome unicoil blowout protection valve point when fire need artificial long-time press by; Twin coil blowout protection valve need cause problems such as energy waste, environmental pollution by battery electron auxiliary firing equipment.Technological scheme of the present invention provides a kind of blowout protection valve, utilize the servo assembly can machinery automatic igniting gas range, need not artificial long-time press by, and have with low cost, stay-in-grade characteristics.
In order to solve technique scheme, protective valve for thermocouple type flameout gas stove provided by the invention comprises: transmitting assemblies, electromagnetic assembly; The servo assembly that connects transmitting assemblies and electromagnetic assembly, be provided with in the servo assembly: time-delay structure, barrier film, Returnning spring, buffer cell, buffer cell is by the end of the starting state of the control of the reinforcement Returnning spring in buffer cell electromagnetic assembly, strengthening Returnning spring is arranged on the solenoid valve push rod, barrier film is arranged in the buffer cell, barrier film one side links to each other with electromagnetic assembly, the barrier film opposite side links to each other with transmitting assemblies, time-delay structure one end is communicated with described buffer cell, time-delay structure is connected the back and forms pressure transfer device with buffer cell, pressure transfer device is by barrier film and transmitting assemblies, electromagnetic assembly connects, transmitting assemblies starts electromagnetic assembly by the barrier film transmission, the servo assembly, the servo assembly is controlled the starting state that electromagnetic assembly is kept one period long period again, produces the normal potential difference of enough solenoid valves until electromagnetic assembly.
Good effect of the present invention is:
1, reduce the energy, material consumption, reduce and pollute, the user need not change battery, reduces the pollution that waste battery causes.
2, easy to use, improve product quality stability, part all adopts machined part, and the electronic product quality is reliable and stable relatively.
3, reduce cost, reduce the user cost of battery consumption, cancelled battery and electronic controller, reduce the product overall cost greatly, can also reduce and produce and after service cost.
Description of drawings
Fig. 1 protective valve for thermocouple type flameout gas stove structural representation;
Fig. 2 protective valve for thermocouple type flameout gas stove sectional view.
Embodiment
Embodiment one
Further specify the specific embodiment of the present invention one below in conjunction with accompanying drawing 1.
Referring to accompanying drawing 1, when gas range is lighted a fire, press and be rotated counterclockwise the combustion gas adjustable lever 2 on the valve body 1, combustion gas adjustable lever 2 drives drive link 6 and rotates, compression is arranged on the barrier film 8 in the buffer cell 7, and barrier film 8 transmissions promote solenoid valve push rod 4, starts unicoil solenoid valve 3.When barrier film 8 is compressed buffer cell 7 by drive link 6 transmissions, pressure in the buffer cell 7 raises, back down the one-way seals 14 of establishing the band through hole in the one-way valve 9, quick response to transmission device, buffer cell 7 interior air are discharged by one-way valve 9 fast, simultaneously Returnning spring 15 and 10 compressions of reinforcement Returnning spring.After air was discharged, Returnning spring 15 and reinforcement Returnning spring 10 were when free state resets, and the air reversing motion will be pushed down one-way seals 14 on the one-way valve 9, and air can only slowly enter buffer cell 7 by through hole on the one-way seals 14.
When being rotated counterclockwise the combustion gas adjustable lever 2 on the valve body 1, combustion gas is entered by fuel gas inlet 5, by unicoil solenoid valve 3 and gas outlet 11 to burner combustion, the flame heating thermocouple produces voltage, voltage acts on unicoil solenoid valve 3, this moment, voltage was less, was not enough to keep unicoil solenoid valve 3 proper functioning, also needed external force to keep unicoil solenoid valve 3 starting states.Because air can only enter buffer cell 7 by the through hole on the one-way seals 14 in the one-way valve 9, therefore slow to the requirement response that resets of Returnning spring 15, solenoid valve push rod 4 still is in the state of backing down, the starting state of having kept unicoil solenoid valve 3 of servo assembly machinery.
The free length of Returnning spring 15 is L
0, when just backing down unicoil solenoid valve 3, the length of Returnning spring 15 is L
1, the length of Returnning spring 15 was L when barrier film 8 pushed up to buffer cell 7 bottoms
2, buffer length Δ L=L
2-L
1So; barrier film 8 is before the rollback Δ L distance; unicoil solenoid valve 3 is in starting state always; burning continues; the thermoelectrical potential that thermocouple produces is continued to raise, and is enough to keep unicoil solenoid valve 3 proper functioning until being elevated to, and has realized the convenient quick startup of gas range thermocouple type blowout protection valve body.
Embodiment two
Further specify the specific embodiment of the present invention below in conjunction with accompanying drawing 2.
Referring to accompanying drawing 2, during the gas range igniting, press and be rotated counterclockwise the combustion gas adjustable lever 2 on the valve body 1, combustion gas enters combustion gas chamber 13 and unicoil solenoid valve 3 by fuel gas inlet 5.The barrier film 8 that is arranged in the buffer cell 7 is compressed in the combustion gas that is entered the combustion gas chamber 13 of sealing by gas jet orifice 12, and barrier film 8 transmissions promote solenoid valve push rod 4, starts unicoil solenoid valve 3.When barrier film 8 is compressed buffer cell 7 by drive link 6 transmissions, pressure in the buffer cell 7 raises, back down the one-way seals 14 of establishing the band through hole in the one-way valve 9, quick response to transmission device, buffer cell 7 interior air are discharged by one-way valve 9 fast, simultaneously Returnning spring 15 and 10 compressions of reinforcement Returnning spring; After air was discharged, Returnning spring 15 and reinforcement Returnning spring 10 were when free state resets, and the air reversing motion will be pushed down one-way seals 14 on the one-way valve 9, and air can only slowly enter buffer cell 7 by the through hole on the one-way seals 14.
When being rotated counterclockwise the combustion gas adjustable lever 2 on the valve body 1, combustion gas is entered by fuel gas inlet 5, by unicoil solenoid valve 3 and gas outlet 11 to burner combustion, the flame heating thermocouple produces voltage, voltage acts on unicoil solenoid valve 3, this moment, voltage was less, was not enough to keep unicoil solenoid valve 3 proper functioning, also needed external force to keep unicoil solenoid valve 3 starting states.Because air can only enter buffer cell 7 by the through hole on the one-way seals 14 in the one-way valve 9, therefore slow to the requirement response that resets of Returnning spring 15, solenoid valve push rod 4 still is in the state of backing down, the starting state of having kept unicoil solenoid valve 3 of servo assembly machinery.
The free length of Returnning spring 15 is L
0, when just backing down unicoil solenoid valve 3, the length of Returnning spring 15 is L
1, the length of Returnning spring 15 was L when barrier film 8 pushed up to buffer cell 7 bottoms
2, buffer length Δ L=L
2-L
1So; barrier film 8 is before the rollback Δ L distance; unicoil solenoid valve 3 is in starting state always; burning continues; the thermoelectrical potential that thermocouple produces is continued to raise, and is enough to keep unicoil solenoid valve 3 proper functioning until being elevated to, and has realized the convenient quick startup of gas range thermocouple type blowout protection valve body.
Above-mentioned only for two preferable embodiments of the present invention, or not within the spirit and principles in the present invention not all in order to restriction the present invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. protective valve for thermocouple type flameout gas stove; comprise: transmitting assemblies; electromagnetic assembly; the servo assembly that connects transmitting assemblies and electromagnetic assembly; be provided with in the servo assembly: time-delay structure; barrier film; Returnning spring; buffer cell; buffer cell is by the end of the starting state of the control of the Returnning spring in buffer cell electromagnetic assembly; it is characterized in that: described Returnning spring is arranged on the solenoid valve push rod of electromagnetic assembly; barrier film is arranged in the buffer cell; barrier film one side links to each other with the solenoid valve push rod of electromagnetic assembly; the barrier film opposite side links to each other with transmitting assemblies; time-delay structure one end is communicated with buffer cell; time-delay structure is connected the back and forms pressure transfer device with buffer cell; pressure transfer device is by barrier film and transmitting assemblies; electromagnetic assembly connects; transmitting assemblies starts electromagnetic assembly by the barrier film transmission; the servo assembly; the servo assembly is controlled the starting state that electromagnetic assembly is kept one period long period again, produces the normal potential difference of enough solenoid valves until electromagnetic assembly.
2. protective valve for thermocouple type flameout gas stove according to claim 1; it is characterized in that: time-delay structure is the device that folk prescription slowly responds to quick response, opposite direction; time-delay structure responds fast to the startup of transmitting assemblies; to the slowly response that resets of the Returnning spring in the servo assembly, generation makes electromagnetic assembly keep longer starting state.
3. protective valve for thermocouple type flameout gas stove according to claim 2 is characterized in that: time-delay structure is an one-way valve.
4. protective valve for thermocouple type flameout gas stove according to claim 3 is characterized in that: one-way valve one end is communicated with buffer cell, is provided with one-way seals in the one-way valve, has through hole on the one-way valve, and buffer cell is by one-way valve and valve body external communications.
5. protective valve for thermocouple type flameout gas stove according to claim 4 is characterized in that: have through hole on the one-way seals, the number of through hole is 1 to 100, the gross area of through hole less than seal surface long-pending 1/2.
6. protective valve for thermocouple type flameout gas stove according to claim 1; it is characterized in that: electromagnetic assembly comprises solenoid valve, solenoid valve push rod; the solenoid valve push rod passes buffer cell one side and is connected with the barrier film of buffer cell opposite side; the place of passing of solenoid valve push rod and buffer cell is provided with seal ring, avoids combustion gas to flow into extraneous by buffer cell and time-delay structure.
7. according to claim 1 or 6 described protective valve for thermocouple type flameout gas stove, it is characterized in that barrier film is a seal membrane, the material of barrier film is a flexible material.
8. protective valve for thermocouple type flameout gas stove according to claim 7 is characterized in that: the material of barrier film is a silica gel.
9. protective valve for thermocouple type flameout gas stove according to claim 6 is characterized in that: buffer cell has the auxiliary reinforcement Returnning spring that is provided with outward, strengthens Returnning spring and is arranged on the solenoid valve push rod.
10. protective valve for thermocouple type flameout gas stove according to claim 1 is characterized in that: transmitting assemblies is a drive link, by acting on barrier film manually, starts electromagnetic assembly and servo assembly, and transmitting assemblies is connected with described barrier film.
11. protective valve for thermocouple type flameout gas stove according to claim 1 is characterized in that: transmitting assemblies is the combustion gas punch assembly, and described combustion gas punch assembly comprises combustion gas chamber, gas jet orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101274157A CN101788072B (en) | 2010-03-12 | 2010-03-12 | Protective valve for thermocouple type flameout gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101274157A CN101788072B (en) | 2010-03-12 | 2010-03-12 | Protective valve for thermocouple type flameout gas stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101788072A CN101788072A (en) | 2010-07-28 |
| CN101788072B true CN101788072B (en) | 2011-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101274157A Expired - Fee Related CN101788072B (en) | 2010-03-12 | 2010-03-12 | Protective valve for thermocouple type flameout gas stove |
Country Status (1)
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| CN (1) | CN101788072B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727565B (en) * | 2012-10-10 | 2016-02-10 | 许文籐 | gas stove table structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089340A (en) * | 1993-01-09 | 1994-07-13 | 黄俊辉 | The Electromagnetic Control differential pressure valve apparatus of multi-functional water heater |
| CN2203752Y (en) * | 1994-09-29 | 1995-07-19 | 上海绿园燃气保安器厂 | Electromagnetic gas combustion valve for gas stove |
| CN201306755Y (en) * | 2008-08-14 | 2009-09-09 | 广东百威电子有限公司 | Pulse firing control device of single-coil electromagnetic valve used for gas cooker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8313325B2 (en) * | 2004-08-23 | 2012-11-20 | Seven Universe Industrial Co., Ltd. | Ignition switch of gas stove |
| US20080108001A1 (en) * | 2006-11-07 | 2008-05-08 | Grand Mate Co., Ltd. | Safety device for gas appliance |
| TWM319383U (en) * | 2007-01-23 | 2007-09-21 | Seven Universe Ind Co Ltd | The safty controller of a burner |
-
2010
- 2010-03-12 CN CN2010101274157A patent/CN101788072B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089340A (en) * | 1993-01-09 | 1994-07-13 | 黄俊辉 | The Electromagnetic Control differential pressure valve apparatus of multi-functional water heater |
| CN2203752Y (en) * | 1994-09-29 | 1995-07-19 | 上海绿园燃气保安器厂 | Electromagnetic gas combustion valve for gas stove |
| CN201306755Y (en) * | 2008-08-14 | 2009-09-09 | 广东百威电子有限公司 | Pulse firing control device of single-coil electromagnetic valve used for gas cooker |
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| Publication number | Publication date |
|---|---|
| CN101788072A (en) | 2010-07-28 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20120312 |